linux-kernel - Re: Regression from 3c196f056666 ("drm/amdgpu: always reset the asic in suspend (v2)") on suspend?

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Message-ID: <41eaaf17-1456-5971-e7d9-e5ccc65bcf01@leemhuis.info>
Date:   Mon, 21 Mar 2022 15:30:02 +0100
From:   Thorsten Leemhuis <regressions@...mhuis.info>
To:     Éric Valette <eric.valette@...e.fr>
Cc:     Salvatore Bonaccorso <carnil@...ian.org>,
        Dominique Dumont <dod@...ian.org>,
        Sasha Levin <sashal@...nel.org>,
        David Airlie <airlied@...ux.ie>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        LKML <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Luben Tuikov <luben.tuikov@....com>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        Alex Deucher <alexander.deucher@....com>,
        1005005@...s.debian.org, Evan Quan <evan.quan@....com>,
        Christian König <christian.koenig@....com>,
        Alex Deucher <alexdeucher@...il.com>
Subject: Re: Regression from 3c196f056666 ("drm/amdgpu: always reset the asic
 in suspend (v2)") on suspend?

On 21.03.22 13:07, Éric Valette wrote:
> My problem has never been fixed.
>
> The proposed patch has been applied to 5.15. I do not remerber which version 28 maybe.
> 
> I still have à RIP in pm_suspend. Did not test the Last two 15 versions.
> 
> I can leave with 5.10 est using own compiled kernels.
> 
> Thanks for asking.

This thread/the debian bug report
(https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1005005 ) is getting
long which makes things hard to grasp. But to me it looks a lot like the
problem you are facing is different from the problem that others ran
into and bisected -- but I might be totally wrong there. Have you ever
tried reverting 3c196f056666 to seem if it helps (sorry if that's
mentioned in the bug report somewhere, as I said, it became long)? I
guess a bisection from your side really would help a lot; but before you
go down that route you might want to give 5.17 and the latest 5.15.y
kernel a try.

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)

P.S.: As the Linux kernel's regression tracker I'm getting a lot of
reports on my table. I can only look briefly into most of them and lack
knowledge about most of the areas they concern. I thus unfortunately
will sometimes get things wrong or miss something important. I hope
that's not the case here; if you think it is, don't hesitate to tell me
in a public reply, it's in everyone's interest to set the public record
straight.